Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Abigail Carol Halperin

Family Medicine Physician in Seattle, WA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1255417093

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Registry record

Entity type Individual (Type 1)

Name Abigail Carol Halperin

Sex Female

Practice address Harborview Medical Center, 325 9th Ave, Seattle, WA, 98104

Phone (206) 731-3000

Enumeration date Oct 27, 2006

Last updated in NPPES Oct 26, 2007

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD00021954 (WA) Primary

Other identifiers

Identifier	Type	State	Issuer
1038363	Medicaid	WA	-
056760	Other	-	INTERNAL ID-MOTOR VEHICLE ID

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Abigail Halperin practice?

The practice location on file with NPPES is in Seattle, WA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Abigail Halperin?

The National Provider Identifier (NPI) for Abigail Halperin is 1255417093, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-26.